20851808902

素因数分解:

$2^1\times {\mathrm{821}}^1\times {\mathrm{2089}}^1\times {\mathrm{6079}}^1$

素因数の和:8991

約数の個数: 16

約数和(自身を含む): 31335955200

約数和(自身を除く): 10484146298

約数列:

[1, 2, 821, 1642, 2089, 4178, 6079, 12158, 1715069, 3430138, 4990859, 9981718, 12699031, 25398062, 10425904451, 20851808902]

約数ペア:

[(1, 20851808902), (2, 10425904451), (821, 25398062), (1642, 12699031), (2089, 9981718), (4178, 4990859), (6079, 3430138), (12158, 1715069)]